The HE861 from BOWEI Integrated Circuits is a RF Amplifier with Frequency 20 to 500 MHz, Gain 26 to 30 dB, Gain Flatness ±0.8 to 1 dB, Noise Figure 4 to 4.5 dB, Output Power 18 dBm. Tags: Drop-In, Power Amplifier. More details for HE861 can be seen below.